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chem test
Question | Answer |
---|---|
Early chemists thought that heat was a kind of | fluid |
The symbol for standard enthalpy change for a reaction is | ∆H |
If the coefficients of a balanced equation are doubled, the enthalpy change for the reaction is | doubled |
The study of heat flow and heat measurement is called | calorimetry |
Carbon's standard state is | graphite |
A nutritional calorie is equal to | 1000 calories |
extra energy is stored in your body as | fats |
The prefix exo- in the word exothermic means | outside |
The chemist who helped build one of the first calorimeters was | Lavoisier |
True or False The study of sound effects in chemical processes is called thermochemistry. | False |
True or False All combustion reactions are classified as endothermic reactions |